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*1 MATLAB® is a registered trademark of Math Works. *2 Using Tektronix AWG7122 models with Option 06, BG5 requires calibration. *3 Using a Tektronix AWG7000 or AWG5000 Series AWG with Option 08. RF Signal Generation Made Easy RF signals are becoming more and more complex, making it mo...
The frequency foldback scheme also works after larger duty cycle is needed under a low VIN condition. The frequency decreases after the device hits the tOFF-MIN, which extends the maximum duty cycle according to 式 3. In such condition, the frequency can be as low as approximately 190kHz. ...
The gate-driver circuit works in conjunction with an external bootstrap capacitor and an internal high-voltage bootstrap diode. A high-quality 2.2-nF, 50-V X7R ceramic capacitor connected between the BST and SW pins provides the voltage to the high-side driver during the buck switch on-time...
The high-side gate driver works in conjunction with an internal bootstrap diode DBOOT and bootstrap capacitor CBOOT. During the conduction interval of the low-side MOSFET, the SW voltage is approximately 0 V and CBOOT charges from VCC through the internal DBOOT. TI recommends a 0.1-μF ...